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<p>Recording ranging patterns provides essential insights into habitat quality, supporting effective conservation management by prioritizing critical habitats and informing the design of biodiversity-supporting corridors. We collected data on the ranging behavior of four groups of white-headed langurs (<i>Trachypithecus leucocephalus</i>), in a limestone forest fragment in Guangxi Chongzuo National Nature Reserve, southwest China, from October 2016 to August 2017. We tested the effects of food availability and climatic factors on the ranging behavior of these langurs. Our results showed that these langurs had relatively small home ranges (G-DS: 14.25 ha, G-LZ: 17.00 ha, G-NN: 10.75 ha, G-ZWY: 16.25 ha), with different patterns of home range use&#xa0;between seasons. Moreover, the ranging behavior of white-headed langurs differed among four groups. G-ZWY group had the greatest monthly daily travel distance (481.66 ± 103.23 m) and G-NN group had the shortest (376.03 ± 55.96 m). G-DS group had the fastest monthly movement rate (32.86 ± 3.49 m/hr) and G-LZ group had the slowest monthly movement rate (31.05 ± 4.90 m/hr). We found no significant differences in ranging behavior between the dry and rainy seasons. The home range and daily travel distance were positively correlated with availability of fruits. The home range size, daily travel distance and movement rate were positively correlated with food diversity index. As the temperature increased, white-headed langurs reduced their home range size, daily travel distance and decreased movement rate, which might be related to avoiding heat stress. These results indicate that white-headed langurs adjust their foraging strategies and maintain energy balance responding to the seasonal fluctuations of food resources. We conclude that the ranging behavior of the white-headed langurs is associated with variations in food availability and climatic factors, which could be an effective adaptation to the seriously fragmented limestone forest.</p>

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Ranging Behavior of the White-Headed Langurs (Trachypithecus leucocephalus) Endemic to the Limestone Forest in Guangxi, China

  • 期刊论文

  • 发表日期：

    2026年2月27日

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  • Fubing Qin,
  • Dengpan Nong,
  • Jipeng Liang,
  • Shijun Wu,
  • Kechu Zhang,
  • Zhonghao Huang

摘要

Recording ranging patterns provides essential insights into habitat quality, supporting effective conservation management by prioritizing critical habitats and informing the design of biodiversity-supporting corridors. We collected data on the ranging behavior of four groups of white-headed langurs (Trachypithecus leucocephalus), in a limestone forest fragment in Guangxi Chongzuo National Nature Reserve, southwest China, from October 2016 to August 2017. We tested the effects of food availability and climatic factors on the ranging behavior of these langurs. Our results showed that these langurs had relatively small home ranges (G-DS: 14.25 ha, G-LZ: 17.00 ha, G-NN: 10.75 ha, G-ZWY: 16.25 ha), with different patterns of home range use between seasons. Moreover, the ranging behavior of white-headed langurs differed among four groups. G-ZWY group had the greatest monthly daily travel distance (481.66 ± 103.23 m) and G-NN group had the shortest (376.03 ± 55.96 m). G-DS group had the fastest monthly movement rate (32.86 ± 3.49 m/hr) and G-LZ group had the slowest monthly movement rate (31.05 ± 4.90 m/hr). We found no significant differences in ranging behavior between the dry and rainy seasons. The home range and daily travel distance were positively correlated with availability of fruits. The home range size, daily travel distance and movement rate were positively correlated with food diversity index. As the temperature increased, white-headed langurs reduced their home range size, daily travel distance and decreased movement rate, which might be related to avoiding heat stress. These results indicate that white-headed langurs adjust their foraging strategies and maintain energy balance responding to the seasonal fluctuations of food resources. We conclude that the ranging behavior of the white-headed langurs is associated with variations in food availability and climatic factors, which could be an effective adaptation to the seriously fragmented limestone forest.